It’s been 30 years since the iconic “This is your brain on drugs” PSA, that gave children everywhere an aversion to fried eggs lasting well into adulthood. (Just me?) A decade later, Rachael Leigh Cook shot the follow-up video, showing your brain “when you snort heroin.” For ’90s kids, this PSA is probably lodged as deeply into your memories of after-school television as Power Rangers and Batman: The Animated Series.